<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="utf-8">
  <title>css3炫酷登录页</title>
  <meta name="description" content="particles.js is a lightweight JavaScript library for creating particles.">
  <meta name="author" content="Vincent Garreau" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
	<link rel="stylesheet" th:href="@{/layui/css/layui.css}">
  <link rel="stylesheet" media="screen" th:href="@{/layui/css/reset.css}">
  <link rel="stylesheet" type="text/css" th:href="@{/layui/css/style.css}">
</head>
<body>

<form th:action="@{/user/post}" method="post">
	<div id="particles-js">
		<div class="login">
			<div class="login-top">
				数字红旅登录系统
			</div>
			<div class="login-center clearfix">
				<div class="login-center-img"><img th:src="@{/layui/img/name.png}"/></div>
				<div class="login-center-input">
					<input type="text" name="username" value="admin" placeholder="请输入您的用户名" onfocus="this.placeholder=''" onblur="this.placeholder='请输入您的用户名'"/>
					<div class="login-center-input-text">用户名</div>
				</div>
			</div>
			<div class="login-center clearfix">
				<div class="login-center-img"><img th:src="@{/layui/img/password.png}"/></div>
				<div class="login-center-input">
					<input type="password" name="password"value="" placeholder="请输入您的密码" onfocus="this.placeholder=''" onblur="this.placeholder='请输入您的密码'"/>
					<div class="login-center-input-text">密码</div>
				</div>
			</div>

			<div style="text-align: center">
				<button type="submit" class="login-button">登录
				</button>
			</div>


		</div>
		<div class="sk-rotating-plane"></div>
	</div>
</form>



<!-- scripts -->
<script th:src="@{/layui/js/particles.min.js}"></script>
<script th:src="@{/layui/js/app.js}"></script>
<script type="text/javascript">
	function hasClass(elem, cls) {
	  cls = cls || '';
	  if (cls.replace(/\s/g, '').length == 0) return false; //当cls没有参数时，返回false
	  return new RegExp(' ' + cls + ' ').test(' ' + elem.className + ' ');
	}

	function addClass(ele, cls) {
	  if (!hasClass(ele, cls)) {
	    ele.className = ele.className == '' ? cls : ele.className + ' ' + cls;
	  }
	}

	function removeClass(ele, cls) {
	  if (hasClass(ele, cls)) {
	    var newClass = ' ' + ele.className.replace(/[\t\r\n]/g, '') + ' ';
	    while (newClass.indexOf(' ' + cls + ' ') >= 0) {
	      newClass = newClass.replace(' ' + cls + ' ', ' ');
	    }
	    ele.className = newClass.replace(/^\s+|\s+$/g, '');
	  }
	}
		document.querySelector(".login-button").onclick = function(){
				addClass(document.querySelector(".login"), "active")
				setTimeout(function(){
					addClass(document.querySelector(".sk-rotating-plane"), "active")
					document.querySelector(".login").style.display = "none"
				},800)
				setTimeout(function(){
					removeClass(document.querySelector(".login"), "active")
					removeClass(document.querySelector(".sk-rotating-plane"), "active")
					document.querySelector(".login").style.display = "block"
					alert("登录成功")

				},5000)
		}
</script>
</body>
</html>